package com.thread;

import java.util.concurrent.ConcurrentSkipListMap;

/**
 * @author wangyingjie
 * @date
 * @remark
 */
public class Core {

    static ConcurrentSkipListMap<Integer, Integer> skipListMap = new ConcurrentSkipListMap<>();


    public static void main(String[] args) {
        for (int i = 0; i<30; i++) {
            skipListMap.put(i,i);
        }

        for (Integer integer : skipListMap.keySet()) {
            System.out.println(integer);
        }

    }
}
